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Table 3 The sensitivity, specificity, positive and negative predictive value of prolonged cesarean delivery (> 90th percentile) to each one of the post-operative maternal complications

From: Prolonged operative time of repeat cesarean is a risk marker for post-operative maternal complications

  sensitivity specificity PPV NPV
Post-operative blood transfusion 0.36 0.85 0.15 0.99
Prolonged length of hospitalizationa 0.29 0.84 0.08 0.96
Rx with antibioticsb 0.25 0.84 0.12 0.93
Re- admission 0.30 0.84 0.02 0.99
Composite post-operative complicationc 0.26 0.85 0.20 0.89
  1. PPV positive predictive value, NPV negative predictive value
  2. aprolonged length of maternal hospitalization defined as discharge after 7 days or more
  3. bRx with either Gentamycin, Augmentin, Ciprofloxacin, Cefazolin
  4. ccombining post-operative blood transfusion, prolonged length of hospitalization, necessitating antibiotic treatment and readmission